CONTENTS
Notation
Chapter XII
TOPOLOGY AND TOPOLOGICAL ALGEBRA .......... 1
I. Topological spaces. 2. Topological concepts. 3. Hausdorff spaces. 4. Uni-
formizable spaces. 5. Products of uniformizable spaces. 6. Locally finite
coverings and partitions of unity. 7. Semico ntinuous functions. 8. Topological
groups. 9. Metrizable groups. 10. Spaces with operators. Orbit spaces.
II. Homogeneous spaces. 12. Quotient groups. 13. Topological vector spaces.
14. Locally convex spaces. 15. Weak topologies. 16. Baire's theorem and its
consequences.
Chapter XIII
INTEGRATION ....................... 98
1 . Definition of a measure, 2. Real measures. 3. Positive measures. The absolute
value of a measure. 4. The vague topology. 5. Upper and lower integrals
with respect to a positive measure. 6. Negligible functions and sets. 7. Inte-
grable functions and sets. 8. Lebesgue's convergence theorems. 9. Measurable
functions. 10. Integrals of vector- valued functions. 11. The spaces L1 andL2.
12. The space L°°. 13. Measures with base JJL. 14. Integration with respect to a
positive measure with base /it. 15. The Lebesgue-Nikodym theorem and the order
relation on MR(X). 16. Applications: I. Integration with respect to a complex
measure. 17. Applications: II. Dual of L1. 18. Canonical decompositions of a
measure. 19. Support of a measure. Measures with compact support. 20. Boun-
ded measures. 21 . Product of measures.
Chapter XIV
INTEGRATION IN LOCALLY COMPACT GROUPS ........ 242
1. Existence and uniqueness of Haar measure. 2. Particular cases and examples.
3. The modulus function on a group. The modulus of an automorphism. 4. Haar
measure on a quotient group. 5. Convolution of measures on a locally compact
vii